Wristwatch



FIG. 1 is a front, left side and bottom perspective view of a wristwatch showing my new design;

FIG. 2 is a rear and left side perspective view thereof;

FIG. 3 is a front elevation thereof;

FIG. 4 is a right side elevation thereof;

FIG. 5 is a left side elevation thereof; and,

FIG. 6 is a bottom view thereof.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a wristwatch, substantially as shown and described. 